body{
    font-family:  arial,helvetica,sans-serif;     
}
#principal{
    margin-left: 20%;
    margin-right: 20%;
    width: 60%;
    min-height: 500px;
    border: solid 1px black;
    background-color: white;
}
#header{
    background: url(images/bg.jpg) no-repeat;
    height: 150px;
    width: 100%;
}
#titre{
    margin-left: 470px;
    margin-top: 300px;
    font-size: 20px;
    font-family: sans-serif;
}
#menuHoriz{
    font-family: fantasy;
    border: solid 1px lightgray;
    height: 50px;
    background-color: activecaption;
}
#menuHoriz ul{
    list-style: none;
    margin-right: 10px;
}
a {
    text-decoration: none;
}
#menuHoriz li{
    float: right;
}
#blank{
    height: 100px;
}

#contenuCentral{
    font-size: 0.8em;
    clear: both;
}

#bloc1, #bloc2{
    width: 200px;    
    background-color: azure;
    border: solid 1px lightgray;
    margin-bottom: 10px;
    margin-left: 5px;
    margin-top: 5px;
    margin-right: 10px;
}

#nav1, #nav2{
    height: 30px;
    width: 95%;
    padding-left: 5px;
    padding-top: 5px;
    background-color: activecaption;
    margin-bottom: 3px;
}
#nav1 a{
    color: black;
}
#nav2 a{
    color: green;
}
#menuVert ul{
    list-style: none;

}
#menuVert{
    float: left;
    margin-left: 10px;
}

table{
   border: solid 1px black;
   width: 60%;
   margin-bottom: 10%;
}
th{
    background-color: #151515;
    color: white;
}